Municipal Wastewater Treatment in Iran: Current Situation, Barriers and Future Policies
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JAEHR-11-1_008
تاریخ نمایه سازی: 29 خرداد 1402
Abstract:
With population and economy growth, water usage, wastewater generation and treatment, treatment plants capacity and innovation ability in Iran have increased dramatically in the last decades. Currently, Iran is in the grip of severe water scarcity, with renewable water availability of less than ۱۷۰۰ m۳/capita/y. Total municipal wastewater generated in Iran is ۴.۶۱ billion m۳/y out of which only ۴۲% is treated. The conventional activated sludge process accounted for the largest share (> ۶۰%) in municipal wastewater treatment in Iran. The treatment plants operational costs usually amount up to ۰.۲ US /m۳ wastewater. About ۵۵% of treated municipal effluent is reused in Iran, with an emphasis on the agricultural sector. The electricity consumption in municipal wastewater treatment facilities amounts for ۰.۱% (۲۴۱ million kWh/y) of the total electricity consumption of the country. Meanwhile, the current laws and policies are sometimes inefficient or do not prompt the ideal outcomes. Thus, the present study provides an overview of municipal wastewater treatment in Iran by describing the current situation and collecting data from ۶۸ treatment plants, and defining key barriers and future policies needs towards Iran’s sustainable municipal wastewater management (up to ۲۰۴۰). Here, the opinions of ۵۰ experts from the governmental sector, industry division, and faculty members were surveyed through the meetings of the technical and steering committee. Overall, sustainable municipal wastewater management in Iran would be obtained by developing water resources, increasing the population covered by wastewater facilities (۹۰%), improving effluent discharge standards, and lowering energy usage to ۰.۴۵ kWh/m۳ wastewater.
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Authors
Abbas Akbarzadeh
Water and Wastewater Research Center (WWRC), Water Research Institute (WRI), Shahid Abbaspour Blvd., Tehran, ۱۶۷۶۵ ۳۱۳, Iran
Alireza Valipour
Water and Wastewater Research Center (WWRC), Water Research Institute (WRI), Shahid Abbaspour Blvd., Tehran, ۱۶۷۶۵ ۳۱۳, Iran
Seyed Mohammad Hadi Meshkati
Department of Hydraulic Engineering and Hydro-Environmental (DHEH), Water Research Institute (WRI), Shahid Abbaspour Blvd., Tehran, ۱۶۷۶۵ ۳۱۳, Iran
Nazanin Hamnabard
Water and Wastewater Research Center (WWRC), Water Research Institute (WRI), Shahid Abbaspour Blvd., Tehran, ۱۶۷۶۵ ۳۱۳, Iran
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